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* Pyupgrade to Python 3.9
* updating DIRECTORY.md
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45 lines
1.2 KiB
Python
45 lines
1.2 KiB
Python
from __future__ import annotations
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def search_in_a_sorted_matrix(
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mat: list[list], m: int, n: int, key: int | float
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) -> None:
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"""
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>>> search_in_a_sorted_matrix(
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... [[2, 5, 7], [4, 8, 13], [9, 11, 15], [12, 17, 20]], 3, 3, 5)
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Key 5 found at row- 1 column- 2
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>>> search_in_a_sorted_matrix(
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... [[2, 5, 7], [4, 8, 13], [9, 11, 15], [12, 17, 20]], 3, 3, 21)
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Key 21 not found
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>>> search_in_a_sorted_matrix(
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... [[2.1, 5, 7], [4, 8, 13], [9, 11, 15], [12, 17, 20]], 3, 3, 2.1)
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Key 2.1 found at row- 1 column- 1
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>>> search_in_a_sorted_matrix(
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... [[2.1, 5, 7], [4, 8, 13], [9, 11, 15], [12, 17, 20]], 3, 3, 2.2)
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Key 2.2 not found
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"""
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i, j = m - 1, 0
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while i >= 0 and j < n:
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if key == mat[i][j]:
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print(f"Key {key} found at row- {i + 1} column- {j + 1}")
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return
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if key < mat[i][j]:
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i -= 1
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else:
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j += 1
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print(f"Key {key} not found")
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def main():
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mat = [[2, 5, 7], [4, 8, 13], [9, 11, 15], [12, 17, 20]]
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x = int(input("Enter the element to be searched:"))
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print(mat)
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search_in_a_sorted_matrix(mat, len(mat), len(mat[0]), x)
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if __name__ == "__main__":
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import doctest
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doctest.testmod()
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main()
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